import "../colours.syncat";

"if", "then", "elsif", "else", "end",
"unless", "until",
"for", "while", "do",
"break", "continue", "return", "yield",
"when", "case",
"module", "class",
"include", "def" {
  color: $keyword;
}

"=", "+=", "-=", "*=", "/=", "**=", "<<=", ">>=", "^=", "%=", "&=", "|=", "||=",
"+", "-", "*", "/", "%", "**", "^", "~", "&", "|", "<<", ">>",
"<", ">", "<=", ">=", "==", "!=", "===", "!==", "=~", "!~", "<=>",
"not", "and", "or", "&&", "||", "!",
"..", "...",
element_reference > "[",
element_reference > "]" {
  color: $operator;
}

method > identifier,
call > identifier,
method_call > scope_resolution > identifier,
method_call > identifier {
  color: $function;
}

"defined?" {
  color: $builtin;
}

subshell >,
string > {
  color: $string;
}

symbol,
pair > (symbol) + ":" {
  color: $meta;
}

constant & /^[A-Z][a-zA-Z_]*$/ {
  color: $type;
}

array > "[", array > "]",
hash > "{", hash > "}",
true, false,
integer,
nil {
  color: $value;
}

constant & /^[A-Z_]+$/ {
  color: $constant;
}

interpolation > "#{",
interpolation > "}" {
  color: $interpolation;
}

global_variable,
instance_variable,
"self" {
  color: $variable;
}

comment {
  color: $comment;
}

regex {
  language: regex;
}